Diptail Pencilfish (Nannostomus eques)

Fish in the family Lebiasinidae. Moderate care. Freshwater.

Diptail Pencilfish

Quick facts

Scientific nameNannostomus eques
FamilyLebiasinidae
Also known asBrown Pencilfish, Hockey-Stick Pencilfish, Three-Lined Pencilfish
Care levelModerate
Reef safetyFreshwater
TemperamentPeaceful
Dietomnivore
Adult size2 in
Minimum tank size15 gallons
Water parametersTemp 74-82°F, pH 5.0-7.0, GH 1-10 dGH

Appearance

Slender brown-gold body with a dark diagonal stripe; characteristically holds a head-up, tail-down swimming posture.

Difficulty and care for the Diptail Pencilfish

Moderate

Origin and habitat

South America (Amazon and Negro basins)

Keeper notes

Peaceful; swims at a head-up oblique angle and needs calm tankmates.

Log Diptail Pencilfish in your reef tank

Reef Trak gives you the full record on every species in your tank: acquisition date, source, photos, parameters at time of stocking, and links to maintenance and feeding events. Track Diptail Pencilfish alongside everything else in your reef.